Javascript 如果使用“Three.js”,动画将停止;蒙皮=真”;有三个。ShaderMaterial
我正在使用three.js编写一个使用WebGL的游戏,我需要为我的角色模型使用皮肤着色器。但如果我使用3.ShaderMaterial,动画将停止。 有人能帮忙吗Javascript 如果使用“Three.js”,动画将停止;蒙皮=真”;有三个。ShaderMaterial,javascript,three.js,Javascript,Three.js,我正在使用three.js编写一个使用WebGL的游戏,我需要为我的角色模型使用皮肤着色器。但如果我使用3.ShaderMaterial,动画将停止。 有人能帮忙吗 SkinShaderSimple = function (mapColor, mapHeight, mapSpecular, composer) { if (mapColor === undefined) return new THREE.MeshPhongMaterial(); if (mapHeight === undef
SkinShaderSimple = function (mapColor, mapHeight, mapSpecular, composer)
{
if (mapColor === undefined) return new THREE.MeshPhongMaterial();
if (mapHeight === undefined) return new THREE.MeshPhongMaterial();
if (mapSpecular === undefined) return new THREE.MeshPhongMaterial();
if (composer === undefined) return new THREE.MeshPhongMaterial();
var shader = THREE.ShaderSkin[ "skinSimple" ];
var fragmentShader = shader.fragmentShader;
var vertexShader = shader.vertexShader;
var uniforms = THREE.UniformsUtils.clone( shader.uniforms );
uniforms[ "enableBump" ].value = true;
uniforms[ "enableSpecular" ].value = true;
uniforms[ "tBeckmann" ].value = composer.renderTarget1;
uniforms[ "tDiffuse" ].value = mapColor;
uniforms[ "bumpMap" ].value = mapHeight;
uniforms[ "specularMap" ].value = mapSpecular;
uniforms[ "diffuse" ].value.setHex( 0xa0a0a0 );
uniforms[ "specular" ].value.setHex( 0xa0a0a0 );
uniforms[ "uRoughness" ].value = 0.145;
uniforms[ "uSpecularBrightness" ].value = 0.75;
uniforms[ "bumpScale" ].value = 16;
uniforms[ "offsetRepeat" ].value.set( 0.001, 0.001, 0.998, 0.998 );
var mat = new THREE.ShaderMaterial( { fragmentShader: fragmentShader,vertexShader: vertexShader, uniforms: uniforms, lights: true, skinning : true} );
return mat;
};`
然后我加载字符
并使用这种材料
loadMainChar = function()
{
//tmp loader
var loader = new THREE.JSONLoader();
//loader with callback function
loader.load( "content/models/character/Goblin.13.js",
function ( geometry, materials )
{
// Tell the material that it has bone weights
var mtl = MaterialsLibrary.CharacterSkinShaderSimple;
mtl.skinning = true;
// Create a new SkinnedMesh (important! Not a animatedMesh!)
mainCharacter = new THREE.SkinnedMesh( geometry, mtl );
mainCharacter.position.set(0,0,0);
mainCharacter.scale.set(1,1,1);
// Instantiate the animation
mainCharAnimation=new THREE.Animation(mainCharacter, geometry.animation);
mainCharacter.castShadow = true;
mainCharacter.receiveShadow = true;
// Start playing the animation
mainCharAnimation.play();
//add char to scene
scene.add(mainCharacter);
}
);
loader.onLoadComplete = function () {CheckLoadingMeshes();};
};
这段代码应该可以让任何人使用THREE.WebGLRenderer 82
<script type="x-shader/x-vertex" class="vs">
varying vec2 vUv;
uniform mat4 bindMatrix;
uniform mat4 bindMatrixInverse;
uniform mat4 boneMatrices[ MAX_BONES ];
mat4 getBoneMatrix( const in float i ) {
mat4 bone = boneMatrices[ int(i) ];
return bone;
}
void main() {
vUv = uv;
mat4 boneMatX = getBoneMatrix( skinIndex.x );
mat4 boneMatY = getBoneMatrix( skinIndex.y );
mat4 boneMatZ = getBoneMatrix( skinIndex.z );
mat4 boneMatW = getBoneMatrix( skinIndex.w );
mat4 skinMatrix = mat4( 0.0 );
skinMatrix += skinWeight.x * boneMatX;
skinMatrix += skinWeight.y * boneMatY;
skinMatrix += skinWeight.z * boneMatZ;
skinMatrix += skinWeight.w * boneMatW;
skinMatrix = bindMatrixInverse * skinMatrix * bindMatrix;
vec4 skinnedNormal = skinMatrix * vec4( normal, 0.0 );
vec3 objectNormal = skinnedNormal.xyz;
vec3 transformedNormal = normalMatrix * objectNormal;
vec4 skinVertex = bindMatrix * vec4( position, 1.0 );
vec4 skinned = vec4( 0.0 );
skinned += boneMatX * skinVertex * skinWeight.x;
skinned += boneMatY * skinVertex * skinWeight.y;
skinned += boneMatZ * skinVertex * skinWeight.z;
skinned += boneMatW * skinVertex * skinWeight.w;
skinned = bindMatrixInverse * skinned;
vec4 mvPosition = modelViewMatrix * skinned;
gl_Position = projectionMatrix * mvPosition;
}
</script>
<script type="x-shader/x-fragment" class="fs">
varying vec2 vUv;
void main() {
gl_FragColor = vec4(1, vUv.x, 0, 1.0);
}
</script>
<script>
material = new THREE.ShaderMaterial( {
vertexShader: document.querySelector( '.vs' ).textContent,
fragmentShader: document.querySelector( '.fs' ).textContent,
skinning:true
});
</script>
可变vec2 vUv;
均匀mat4矩阵;
统一的mat4-bindMatrixInverse;
均匀mat4骨计量学[MAX_BONES];
mat4 getBoneMatrix(浮点数i中的常数){
mat4骨=骨计量学[int(i)];
回骨;
}
void main(){
vUv=紫外线;
mat4 boneMatX=getBoneMatrix(skinIndex.x);
mat4 boneMatY=getBoneMatrix(skinIndex.y);
mat4 boneMatZ=getBoneMatrix(skinIndex.z);
mat4-boneMatW=getBoneMatrix(skinIndex.w);
mat4皮肤基质=mat4(0.0);
skinMatrix+=皮肤重量x*boneMatX;
skinMatrix+=皮肤重量y*骨量;
skinMatrix+=皮肤重量.z*boneMatZ;
skinMatrix+=皮肤重量,w*boneMatW;
skinMatrix=bindMatrixInverse*skinMatrix*bindMatrix;
vec4 Skindnormal=skinMatrix*vec4(正常,0.0);
vec3 objectNormal=skindnormal.xyz;
vec3 transformedNormal=normalMatrix*objectNormal;
vec4 skinVertex=bindMatrix*vec4(位置,1.0);
vec4剥皮=vec4(0.0);
skinned+=boneMatX*skinVertex*皮肤重量.x;
skinned+=骨量*皮肤顶点*皮肤重量.y;
skinned+=boneMatZ*skinVertex*skinWeight.z;
skinned+=骨骼宽度*皮肤顶点*皮肤重量.w;
剥皮=bindMatrixInverse*剥皮;
vec4 mvPosition=模型视图矩阵*蒙皮;
gl_位置=投影矩阵*mvPosition;
}
可变vec2 vUv;
void main(){
gl_FragColor=vec4(1,vUv.x,0,1.0);
}
材质=新的三个着色器材质({
vertexShader:document.querySelector('.vs').textContent,
fragmentShader:document.querySelector('.fs').textContent,
剥皮:真的
});
有谁能帮助我实现自定义着色器材质的“蒙皮”技术吗?这个问题已经在github上得到了回答。